The kids at my high school pulled some pretty elaborate pranks back in the day. The most memorable was the kidnapping of Manny, Moe, and Jack from the neighborhood Pep Boys and their subsequent erection on the roof of the library building at our school. But never, never, never did anyone let livestock loose in the hallways, like these intrepid Northeast Philadelphia High School students did. At five a.m. today, one of the school's janitors......